--- He hardly spent any time on his subjects, ____________ ?--- _______________, so he does badly in his lessons. 
#68913
A
didn’t he, Yes
B
did he, Yes
C
didn’t he, No
D
did he, No
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 They have to set out for the last train at once, ________?
#68550
A
don’t they
B
do they
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haven’t they
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have they
It’s a beautiful toy, ____?
#71197
A
is it
B
isn’t it
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has it
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doesn’t
Few people knew how to use the Internet in the past,_____?
#68775
A
did they
B
didn’t they
C
did he
D
didn’t he